Halo 3.4um, 400A, ES-C18 Back Catalog number: 943410-202 Manufacturer: Advanced Materials Technology Availability: In the manufacturer's stock Price on request - + Recommended 95812-108 HALO 90 Å C8, 5 µm, 2.1 x 5mm, Guard Column 3pk Price on request 91812-207 HALO 90 Å RP-Amide, 2 µm, 2.1 x 20mm Price on request 95812-407 HALO 90 Å RP-Amide, 5 µm, 2.1 x 50mm Price on request